| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.35 | -0.23 |
| Feb | 2.95 | 2.96 | -0.01 |
| Mar | 4.27 | 4.26 | 0.01 |
| Apr | 5.07 | 4.91 | 0.16 |
| May | 6.01 | 5.77 | 0.24 |
| Jun | 4.62 | 4.42 | 0.20 |
| Jul | 3.69 | 3.65 | 0.04 |
| Aug | 4.01 | 3.64 | 0.37 |
| Sep | 4.45 | 4.25 | 0.20 |
| Oct | 4.36 | 4.31 | 0.05 |
| Nov | 4.30 | 4.49 | -0.19 |
| Dec | 3.80 | 3.88 | -0.08 |
50.65 | 49.89 | 0.76 |